Dale, M. (1998). Developing management skills: Techniques for improving learning & performance (2nd ed.). Kogan Page.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDale, Margaret. Developing Management Skills: Techniques for Improving Learning & Performance. 2nd ed. London: Kogan Page, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDale, Margaret. Developing Management Skills: Techniques for Improving Learning & Performance. 2nd ed. Kogan Page, 1998.
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